Replace Modular Optical System Modules - Alcatel-Lucent 1677 SONET Maintenance And Trouble Clearing

3EM13853AF
Issue 01, September 2007
DLP-143

Replace Modular Optical System Modules

PURPOSE
This procedure provides instructions to replace Modular Optical System (MOS) modules. The
replaceable modules for the MOS are ADM, DWDM, and DCM.
RECOMMENDED TOOLS
Phillips screwdriver, #2
STEP PROCEDURE
Locate module that must be replaced.
1
If installed, remove module protection shield.
2
Use #2 Phillips screwdriver to remove four screws that hold transparent shield in
3
place.
Set shield and screws aside and secure them so they will not be lost or damaged.
Identify and label all fiber-optic cables and metallic cables before they are removed.
4
Disconnect fiber-optic cables and optical management bus (OMB) cables one at a time
5
and cover ends of fiber-optic cables with dust caps.
Use #2 Phillips screwdriver to remove four screws that attach module to equipment
6
rack.
Slide module from rack.
7
Install replacement module in equipment rack.
8
Use #2 Phillips screwdriver to install four screws removed in step 6.
9
Reinstall OMB cables.
10
Clean the fiber-optic cables. Refer to DLP-100.
11
Re-install fiber-optic cables.
12
Replace Modular Optical System Modules
6-inch
×
DLP-143
5-93